Merge pull request #2355 from senhuang42/change_ldm_mt_config

Reduce --long mode MT jobsize at higher levels
2020-10-16 13:35:50 -07:00
parent d380f803b9 f49926edf4
commit a0ec50c2dc
2 changed files with 3 additions and 3 deletions
@@ -1192,8 +1192,8 @@ static unsigned ZSTDMT_computeTargetJobLog(const ZSTD_CCtx_params* params)
    if (params->ldmParams.enableLdm) {
        /* In Long Range Mode, the windowLog is typically oversized.
         * In which case, it's preferable to determine the jobSize
-         * based on chainLog instead. */
-        jobLog = MAX(21, params->cParams.chainLog + 4);
+         * based on cycleLog instead. */
+        jobLog = MAX(21, ZSTD_cycleLog(params->cParams.chainLog, params->cParams.strategy) + 3);
    } else {
        jobLog = MAX(20, params->cParams.windowLog + 2);
    }